Unit Economics

LTV CAC Calculator in the United States

Evaluate acquisition efficiency, channel health, and growth scalability using the LTV:CAC ratio.

Expected cumulative gross profit generated over an account's lifetime
Blended sales and marketing spend per acquired account

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Benchmarking the LTV:CAC Ratio

The LTV:CAC ratio is the golden standard metric used by venture capitalists and executive teams to gauge the sustainability and scalability of a business model.

Benchmark Diagnostic Guide

Frequently Asked Questions

What is an optimal LTV:CAC ratio?

An optimal LTV:CAC ratio is between 3:1 and 5:1. A ratio under 3:1 means acquisition is too expensive or churn is high, while a ratio above 5:1 indicates under-investment in growth channels.

Can an LTV:CAC ratio be too high?

Yes. An LTV:CAC ratio over 6:1 or 8:1 suggests the company is growing slower than it could by under-investing in marketing, leaving market share vulnerable to competitors.

What causes a poor LTV:CAC ratio?

Common culprits include excessive ad spend on unqualified keywords, low product retention, high onboarding friction, or underpricing products relative to delivered value.

How often should early-stage startups measure LTV:CAC?

Startups should review LTV:CAC monthly across marketing channels to reallocate budget toward the most efficient customer acquisition sources.